<?php

/**
 * Copyright (C) 2020 Tencent Cloud.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace App\Models;

use App\Common\CacheKey;
use Discuz\Base\DzqCache;
use Discuz\Base\DzqModel;

/**
 * @package App\Models
 */
class Sequence extends DzqModel
{
    public static function getSequence()
    {
        $cache = app('cache');
        $sequence = $cache->get(CacheKey::SEQUENCE);
        if ($sequence) {
            return $sequence;
        }
        $sequence = self::query()->get()->toArray();
        $sequence = current($sequence);
        $cache->put(CacheKey::SEQUENCE, $sequence, 60 * 60);
        return $sequence;
    }
}
